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<title>Google N-gram Search HowTo</title>
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<h2>Google N-gram Search HowTo</h2>
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<h3>Query</h3>
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Please input white-space separated unigrams.<br>
Ex: "apple juice", "is a"
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<p>
Three kinds of matching methods are available.
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<ul>
<li>"Unordered": Searches n-grams which contain given unigrams in any order.<br>
Users can specify the minimum number of occurrences by passing the same unigram more than once.<br>
Ex: Query "day day" matches "day by day" but not "of the day."</li>
<li>"Ordered": Searches n-grams which contain given unigrams in order.<br>
Ex: Query "milk coffee" matches "milk and coffee" but not "coffee and milk."</li>
<li>"Phrase": Searches n-grams which contain a given phrase.<br>
Ex: Query "milk coffee" matches "frothy milk coffee" but not "milk and coffee."</li>
<li>"Fixed": Searches n-grams using a wildcard character '*'.<br>
Ex: Query "milk *" matches "milk coffee" and "milk chocolate."
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<h3>N-grams</h3>
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Please input 'k' of target k-grams.<br>
Ex: If "3" is given, it searches 3-grams.<br>
Ex: If "1-7" is given, it searches 1-grams to 5-grams.<br>
Ex: If "2,4-5" is given, it searches 2-grams, 4-grams and 5-grams.<br>
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English Google N-gram Resources consist of 1-grams to 5-grams.<br>
Japanese Google N-gram Resources consist of 1-grams to 7-grams.
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<h3>No. Results</h3>
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Please input the maximum number of search results.<br>
Ex: If "1" is given, it returns only one n-gram which has the maximum frequency.<br>
Ex: If "100" is given, it returns the top 100 n-grams.<br>
Ex: If "all" is given, it returns all n-grams matching a given query.
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If the number of search results will be large (more than 10,000), please choose "Download." Otherwise, a browser might freeze, in particular Internet Explorers.
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<h3>Min. Frequency</h3>
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Please input the minimum frequency of search results.<br>
Ex: If "10" is given, it returns all n-grams matching a given query.<br>
Ex: If "1000" is given, it returns n-grams with frequencies not less than 1000.
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<p>
English Google N-gram Resources consist of unigrams with frequencies not less than 200 and n-grams with frequencies not less than 40.<br>
Japanese Google N-gram Resources consist of unigrams with frequencies not less than 50 and n-grams with frequencies not less than 20.
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<h3>Results</h3>
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Please choose how to get search results.<br>
"Browse": Displays search results on a browser.<br>
"Save": Popups a download dialog for search results.
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If the number of search results will be large (more than 10,000), please choose "Download." Otherwise, a browser might freeze, in particular Internet Explorers.
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